Mud layers in a stalagmite from a cave on the Yucatán Peninsula show hurricane activity was steady or elevated throughout the Maya collapse.
Climate Change
Posted inAGU News
AGU Hosts Amazon Hack-A-Thon at Fall Meeting
Fall Meeting attendees get rare opportunity at Amazon Hack-A-Thon event to tackle climate change issues.
Posted inNews
Report Addresses Timeline for Cutting Greenhouse Gas Emissions
Levels of greenhouse gas emissions need to be limited by midcentury to keep within a 2°C increase, a new United Nations report states.
Posted inResearch Spotlights
Ocean Acidification Worse in Coral Reefs
The rate of ocean acidification in coral reefs outpaces the rise in carbon dioxide in Earth’s atmosphere.
Posted inNews
Lightning Strikes Predicted to Increase as Climate Warms
New study suggests that the frequency of lightning strikes will increase as the climate continues to warm.
Posted inResearch Spotlights
Upper Atmosphere Has Cooled Steadily for Three Decades
Scientists projected that the upper atmosphere would continue to cool and contract with rising greenhouse gas emissions. Now, these projections have been confirmed for the first time.
Posted inNews
Scientists Call for a Renewed Emphasis on Urban Geology
A renewed focus on geological aspects of cities could help mitigate natural hazards and provide a wealth of geological information, scientists say.
Posted inResearch Spotlights
Methane Leaks from Oil and Gas Fields Detected from Space
Methane hot spots were detected in the atmosphere near North Dakota’s Bakken formation and the Eagle Ford formation in Texas after oil and gas production ramped up starting in 2009.
Posted inResearch Spotlights
Changes in Earth’s Radiation Balance Between 1985 and 2012
A comparison of shortwave and longwave radiation in the atmosphere shows Earth’s heating rate is increasing even though temperatures are rising at a slower rate now than 30 years ago.
Posted inScience Updates
Quaternary Sea Ice Reconstruction: Proxy Data and Modeling
3rd Sea Ice Proxy Working Group Workshop: Sea Ice Proxy Synthesis and Data-Model Comparison; Bremerhaven, Germany, 23−25 June 2014